Originally posted by XtremeRS Well idle EGT is of really no importance though..This is why tuning the A/F to EGT alone is not the best way to do it..at all. Take my example for instance. 12.4:1 is a damn near perfect A/F for 10 psi, assuming we have the right amount of timing advance. Now if we run that same A/F on the stock ECU doing timing, the EGT's get really hot, really fast. So now we think we are running to lean, when all that is the problem is not enough timing advance. So we richen up the A/F to help the EGT issue, and we inevitably lose power. For examble, I had to run in the mid 11's for A/F in order to keep the EGT in check when using the stock ECU for ignition..Thats just way to rich for that boost level..Just an assumption, but you could gain 15-20 HP by leaning it out to the proper A/F and giving it the right amount of timing.
Again, thats some interesting stuff. I had planned all along to have my megasquirt only control the fuel, since it still seems "pre-beta" stages with the ignition stuff. but after reading that it doesnt make sense to do so. I have the ability to adjust the timing to minimum with my Crane igntion, and in reference to a boost pressure, but it doesnt allow me to really "tune" the ignition to any extent. I guess I have no option but to dive head first into the megasquirt and let it do it all. I've read through all the posts in the Ms forum and it seems you all are still experiencing some problems with letting the MS do the ignition and idle etc. Have you been able to resolve those issues?
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